|
Problem IT00521
|
Status: Geschlossen |
INCORRECT RESULT CAN BE RETURNED FOR COLUMN-ORGANIZED TABLES |
| Produkt: |
DB2 FOR LUW / DB2FORLUW / 950 - DB2 |
| Problembeschreibung: |
The problem occurs when selecting from a column-organized if the
DB2 optimizer chooses a plan that includes an MSJN (merge-sort
join) operator. The results might be that not all of the
qualifying rows are returned. |
| Problem-Zusammenfassung: |
****************************************************************
* USERS AFFECTED: *
* All users *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 version 10.5.0.4. *
**************************************************************** |
| Local-Fix: |
Execute the following and then recycle the DB2 instance:
db2set DB2_REDUCED_OPTIMIZATION=NO_SORT_MGJOIN
Note that with this workaround performance might be severely
impacted. |
| Lösung |
The problem is first fixed in DB2 version 10.5.0.4. |
| Workaround |
keiner bekannt / siehe Local-Fix |
| Weitere Daten |
Datum - Problem gemeldet :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
| 24.03.2014
08.09.2014
07.04.2015 |
| Problem behoben ab folgender Versionen (IBM BugInfos) |
|
| Problem behoben lt. FixList in der Version |
| 10.5.0.4
|
 |
